Home / 578,137.20-866,907.04-253,792.56

Finding the Fourth Proportional to 578,137.20, 866,907.04 and 253,792.56

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Solution

The fourth proportional to 578,137.20, 866,907.04 and 253,792.56 is: 380,557.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,137.20 : 866,907.04 = 253,792.56 : x
  2. Step 2: Convert to fraction form
    578,137.20/866,907.04 = 253,792.56/x
  3. Step 3: Cross multiply
    578,137.20x = 866,907.04 × 253,792.56
  4. Step 4: Simplify right side
    578,137.20x = 220,014,556,963.62
  5. Step 5: Solve for x
    x = 220,014,556,963.62/578,137.20
  6. Step 6: Final answer
    x = 380,557.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.